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GTAP Resources: Resource Display

GTAP Resource #1517

"Updating and adjustment of the trade flows of an Input-Output Table"
by Manrique-de-Lara-Peñate, Casiano and Dolores Santos


Abstract
The specific treatment of trade flows in the updating and adjustment process of an Input-Output Table is not normally considered in the updating literature. It could actually be considered to be just a secondary step in the sense that once the total flows has been updated one could proceed to the separation of the different flows by origin.

However, we believe that information on trade flows can be considered to be a main part of the prior information available for the updating of an IOT and should therefore be used simultaneously in the updating of the total flows.

Trade flows are usually subdivided attending to the nature of the goods in three main groups: intermediate, consumption and investment goods. However, even if this classification could be helpful in the updating procedure, by introducing restrictions related to the intermediate matrix and the consumption and the investment vectors of final demand, it is not directly applicable without being previously treated. The main reason for this treatment is the fact that many of the goods could be classified in more than one of these groups. The typical example being beverages, which can be considered to be either consumption goods for households or intermediate goods for restaurants. The optimization program presented in this paper includes special restrictions to allow the treatment of a reclassification of the trade flows that is described in the next section. We have applied this method to the updating of the 1985 Input Output Table of the Canary Islands and the results seem to confirm the usefulness of our approach.


Resource Details (Export Citation) GTAP Keywords
Category: 2004 Conference Paper
Status: Published
By/In: Presented at the 7th Annual Conference on Global Economic Analysis, Washington DC, USA
Date: 2004
Version:
Created: Manrique-de-Lara-Peñate, C. (5/3/2004)
Updated: Manrique-de-Lara-Peñate, C. (5/3/2004)
Visits: 1,283
No keywords have been specified.


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